Pseudothelphusidae is a family of freshwater crabs found chiefly in mountain streams in the Neotropics. They are believed to have originated in the Greater Antilles and then crossed to Central America via a Pliocene land bridge. Some species of this family are troglobitic.
Potamon is a genus of freshwater or semiterrestrial crabs mainly found from Southern Europe through the Middle East, and as far east as north-western India. The only exception is the North African P. algeriense, which also is the only potamid of mainland Africa. Twenty species are currently recognised. These crabs are omnivores that have a broad ecological tolerance. The adult Potaman reach up to 50 mm in size during their 10-12 year life span.
Potamocarcinus is a genus of crabs in the family Pseudothelphusidae.
Ptychophallus is a genus of crabs in the family Pseudothelphusidae.
Pseudothelphusa is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Fredius is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Epilobocera is a genus of crabs in the family Epiloboceridae. It is the only genus in its family; this taxonomic arrangement follows the revision of the family Pseudothelphusidae by Álvarez and colleagues.
Chaceus is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Eudaniela is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Guinotia is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Hypolobocera is a genus of crabs in the family Pseudothelphusidae, found only in the San Juan River basin which drains into the Pacific, in Colombia. The major and future threats to this species include human-induced habitat loss/degradation and water pollution.
Lindacatalina is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Microthelphusa is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Moritschus is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Phallangothelphusa is a genus of crabs in the family Pseudothelphusidae. It contains five described species:
Phrygiopilus is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Spirothelphusa is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Strengeriana is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Tehuana is a genus of crabs in the family Pseudothelphusidae, containing the following species:
